BIOS errors and warnings
The BIOS generates warnings/errors on invalid memory congurations:
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If the BIOS can nd a valid memory conguration by disabling plugged-in memory, it does so and
reports a warning during POST. The workstation can still be started. The warning will indicate the
location of the failed DIMM on the system board.
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If there is no way for the BIOS to obtain a valid memory conguration by disabling plugged-in memory,
the BIOS halts with a diagnostics 2006 code for memory error (ve beeps and blinks).
DIMM installation guidelines
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Install only HP-approved DDR3 DIMMs
CAUTION: HP ships only DIMMs that are electrically and thermally compatible with this computer.
Because third-party DIMMs might not be electrically or thermally compatible, they are not supported by
HP.
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For ECC DIMMs, use only industry-standard ECC unbuered DIMMs. Go to http://www.hp.com/go/
quickspecs to nd which DIMMs are compatible with the computer.
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Do not intermix non-ECC memory DIMMs with ECC memory DIMMs.
CAUTION: DIMMs and their sockets are keyed for proper installation. To prevent socket or DIMM damage,
align these guides properly when installing DIMMs.
DIMM installation order
Install DIMMs in this order.
CAUTION: Internal components might be powered even when the computer is o. To prevent damage,
disconnect the computer power cord before you remove or install a component.
Component replacement guidelines 43